RU95108858A - Process for purifying industrial acrylic acid - Google Patents

Process for purifying industrial acrylic acid

Info

Publication number
RU95108858A
RU95108858A RU95108858/04A RU95108858A RU95108858A RU 95108858 A RU95108858 A RU 95108858A RU 95108858/04 A RU95108858/04 A RU 95108858/04A RU 95108858 A RU95108858 A RU 95108858A RU 95108858 A RU95108858 A RU 95108858A
Authority
RU
Russia
Prior art keywords
acrylic acid
purifying industrial
industrial acrylic
amines
ppm
Prior art date
Application number
RU95108858/04A
Other languages
Russian (ru)
Inventor
Боер Уильям (младший)
Us]
Майкл Мэсон Роберт
Аллен Хейл Тимоти
Карина Апмэсис Рита
Original Assignee
Ром Энд Хаас Компани (Us)
Ром Энд Хаас Компани
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from US08/251,762 external-priority patent/US5571386A/en
Application filed by Ром Энд Хаас Компани (Us), Ром Энд Хаас Компани filed Critical Ром Энд Хаас Компани (Us)
Publication of RU95108858A publication Critical patent/RU95108858A/en

Links

Abstract

FIELD: chemical industry. SUBSTANCE: claimed invention describes process having residual aldehyde content lower than 10 ppm. The claimed process uses chosen groups of amines in continuous process. EFFECT: more efficient purification process.

Claims (1)

Изобретение относится к непрерывным способам получения высокочистой акриловой кислоты, имеющей уровни остаточного содержания альдегидов 10 част. /млн. В способе используются две выбранные группы аминов в различных частях непрерывного процесса.The invention relates to continuous methods for producing high-purity acrylic acid having residual aldehyde levels of 10 ppm. / million The method uses two selected groups of amines in different parts of a continuous process.
RU95108858/04A 1994-05-31 1995-05-31 Process for purifying industrial acrylic acid RU95108858A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/251,762 US5571386A (en) 1994-05-31 1994-05-31 Process for grade acrylic acid
US251.762 1994-05-31

Publications (1)

Publication Number Publication Date
RU95108858A true RU95108858A (en) 1997-03-20

Family

ID=48433686

Family Applications (1)

Application Number Title Priority Date Filing Date
RU95108858/04A RU95108858A (en) 1994-05-31 1995-05-31 Process for purifying industrial acrylic acid

Country Status (1)

Country Link
RU (1) RU95108858A (en)

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